ImageLoader.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//

#ifndef CPP3DS_IMAGELOADER_HPP
#define CPP3DS_IMAGELOADER_HPP

// Headers
#include <cpp3ds/Config.hpp>
#include <cpp3ds/System/NonCopyable.hpp>
#include <cpp3ds/System/Vector2.hpp>
#include <string>
#include <vector>


namespace cpp3ds
{
class InputStream;

namespace priv
{
class ImageLoader : NonCopyable
{
public :

    static ImageLoader& getInstance();

    bool loadImageFromFile(const std::string& filename, std::vector<Uint8>& pixels, Vector2u& size);

    bool loadImageFromMemory(const void* data, std::size_t dataSize, std::vector<Uint8>& pixels, Vector2u& size);

    bool loadImageFromStream(InputStream& stream, std::vector<Uint8>& pixels, Vector2u& size);

    bool saveImageToFile(const std::string& filename, const std::vector<Uint8>& pixels, const Vector2u& size);

private :

    ImageLoader();

    ~ImageLoader();

    bool writeJpg(const std::string& filename, const std::vector<Uint8>& pixels, unsigned int width, unsigned int height);
};

} // namespace priv

} // namespace cpp3ds


#endif